Inventor
ISHIZAKI HIDEKI
JP13 patents
Patents
13 patentsUS7014903B2Mar 21, 2006
Optical recording medium
TDK CORP33 citations89
US4849304AJul 18, 1989
Optical recording medium
TDK CORP19 citations82
US4902584AFeb 20, 1990
Optical recording medium
TDK CORP14 citations74
US4677023AJun 30, 1987
Magnetic recording medium
TDK CORP7 citations74
US4861656AAug 29, 1989
Optical recording medium
TDK CORP17 citations73
US4693934ASep 15, 1987
Magnetic recording medium for image recording
TDK CORP10 citations73
US4666754AMay 19, 1987
Magnetic recording medium
TDK CORP13 citations73
US4624892ANov 25, 1986
Magnetic recording medium
TDK CORP15 citations73
US4777082AOct 11, 1988
Optical magnetic recording medium
TDK CORP7 citations72
US6921568B2Jul 26, 2005
Optical recording medium
TDK CORP5 citations63
US5571629ANov 5, 1996
Optical recording medium
TDK CORP3 citations63
US6835434B2Dec 28, 2004
Method for manufacturing disc-shaped optical recording medium and disc-shaped substrate for optical recording medium
TDK CORP2 citations62
US6843883B2Jan 18, 2005
Vacuum processing apparatus and method for producing an object to be processed
TDK CORP2 citations60